Cassette for controlling the flow of intravenous fluid to a patient



FIG. 1 is a perspective view, as seen from a position above and in front of the cassette, of a cassette for use in controlling the introduction of intravenous fluid to a patient;

FIG. 2 is a front elevational view of the cassette;

FIG. 3 is a side elevational view of the cassette; and

FIG. 4 is a bottom plan view of the cassette. 

The ornamental design for a cassette for controlling the flow of intravenous fluid to a patient substantially as shown and described. 